1.   For Decades rigid party hierarchy determined political fortunes.

2.   Its supporters make the point that it breaks down rigid hierarchies and allows for greater participation in the Decision-making process.

3.   Many communities of small cetaceans have rigid hierarchies of power.

4.   Such disparities predated the imposition of a rigid social hierarchy, but became more Marked during the course of the Tokugawa period.

5.   We needed flexibility, but kept rigid hierarchies.

6.   But despite its rustic character, Taba commune is meticulously organized, with a rigid hierarchy of state officials reaching down to every level.

7.   But within the rigid hierarchy of the clan, only the cubs of high-ranking mothers will taste the kills more than a few times.

8.   Having come from a society obsessed with status by birthright, he was stunned to discover that he was entering a subculture with almost as rigid a hierarchy.

9.   He left after an impasse with a rigid Giants hierarchy that refused to relinquish control.